New Delhi, Jan. 24 -- Ahead of the release of Border 2, actor Varun Dhawan faced heavy trolling on social media, with users particularly targeting his smile in the song Ghar Kab Aaoge.

However, following the film's release, the narrative appears to have shifted, with audiences praising Dhawan's performance.

Filmmaker Karan Johar, a close friend of the actor, came out strongly in Varun's support and called out online trolls through a post on Instagram.

Applauding Varun's work, Karan wrote, "Has to be said. the reason why it's called a virtual world! Real will always score and prove the noise on social media as defunct! You can troll an artist for his smile but then he laughs when the film releases to packed houses and he receives pure, au...